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50
51#include "bitratebox.h"
52
53#include <QLineEdit>
54
55BitRateBox::BitRateBox(QWidget *parent) :
56 QComboBox(parent),
57 m_customSpeedValidator(new QIntValidator(0, 1000000, this))
58{
59 fillBitRates();
60
61 connect(sender: this, signal: QOverload<int>::of(ptr: &QComboBox::currentIndexChanged),
62 receiver: this, slot: &BitRateBox::checkCustomSpeedPolicy);
63}
64
65BitRateBox::~BitRateBox()
66{
67 delete m_customSpeedValidator;
68}
69
70int BitRateBox::bitRate() const
71{
72 if (currentIndex() == (count() - 1))
73 return currentText().toInt();
74
75 return itemData(index: currentIndex()).toInt();
76}
77
78bool BitRateBox::isFlexibleDataRateEnabled() const
79{
80 return m_isFlexibleDataRateEnabled;
81}
82
83void BitRateBox::setFlexibleDateRateEnabled(bool enabled)
84{
85 m_isFlexibleDataRateEnabled = enabled;
86 m_customSpeedValidator->setTop(enabled ? 10000000 : 1000000);
87 fillBitRates();
88}
89
90void BitRateBox::checkCustomSpeedPolicy(int idx)
91{
92 const bool isCustomSpeed = !itemData(index: idx).isValid();
93 setEditable(isCustomSpeed);
94 if (isCustomSpeed) {
95 clearEditText();
96 lineEdit()->setValidator(m_customSpeedValidator);
97 }
98}
99
100void BitRateBox::fillBitRates()
101{
102 const QList<int> rates = {
103 10000, 20000, 50000, 100000, 125000, 250000, 500000, 800000, 1000000
104 };
105 const QList<int> dataRates = {
106 2000000, 4000000, 8000000
107 };
108
109 clear();
110
111 for (int rate : rates)
112 addItem(atext: QString::number(rate), auserData: rate);
113
114 if (isFlexibleDataRateEnabled()) {
115 for (int rate : dataRates)
116 addItem(atext: QString::number(rate), auserData: rate);
117 }
118
119 addItem(atext: tr(s: "Custom"));
120 setCurrentIndex(6); // default is 500000 bits/sec
121}
122

source code of qtserialbus/examples/serialbus/can/bitratebox.cpp